Housing for a water purification unit



FIG. 1 is a perspective view showing the top, front and right sides of a housing for a water purification unit embodying the new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being identical to the front side as shown;

FIG. 3 is a left side elevational view thereof; the right side elevation being identical to the left side as shown; and,

FIG. 4 is a top plan view thereof.

The bottom plan view of the housing is plane and unornamented. 

The ornamental design for a housing for a water purification unit, as shown and described. 